In a pan heat ghee

Now add onion and saute

Now add the corn flour slurry made by mixing 1 tbsp corn flour in little water

Mixed onion with slurry

Add milk little by little and mix

Now add salt

Black pepper

Chilli flakes and oregano

Now add cheese slice into topping

Apply sauce on a bread slice

Top up with prepared stuffing or topping

Top up with tomato and serve